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Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation

The valorization and repurposing of waste materials for sustainable outcomes and environmental mitigation are gaining prominence. This investigation explores the feasibility of repurposing discarded automotive engine oil as a viable means of energy storage in solar thermal desalination applications....

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Main Authors: Suraparaju S.K., Samykano M., Natarajan S.K., Rajamony R.K., Pandey A.K.
Other Authors: 57210569066
Format: Article
Published: Elsevier B.V. 2025
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spelling my.uniten.dspace-366712025-03-03T15:43:48Z Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation Suraparaju S.K. Samykano M. Natarajan S.K. Rajamony R.K. Pandey A.K. 57210569066 57192878324 52063666500 57218845246 36139061100 The valorization and repurposing of waste materials for sustainable outcomes and environmental mitigation are gaining prominence. This investigation explores the feasibility of repurposing discarded automotive engine oil as a viable means of energy storage in solar thermal desalination applications. A novel approach combining discarded engine oil with Paraffin wax in equal parts by volume is proposed as a composite energy storage (CES) to enhance nocturnal production and efficiency. The experimental findings show that the composite energy storage system has 26.54 % higher thermal conductivity and 44.66 % greater specific heat energy storage capacity compared to pure paraffin wax. Comparing the Desalination System with Engine Oil-based Energy Storage (DSEES) to a Traditional Solar Desalination System (TSDS) without energy storage, considering water and absorber temperatures and distillate production, reveals compelling advantages. DSEES exhibits remarkable temperature increases of 14 % in the basin and 11 % in water, alongside a significant 52.72 % rise in distillate production rates, yielding 3.36 and 3.16 l/sq.mt compared to TSDS's 2.2 and 2.1 l/sq.mt over two testing days. Cost analysis indicates DSEES's 33.7 % lower cost per liter and 33.8 % shorter payback period relative to TSDS. Furthermore, environmental assessment highlights DSEES's 60.8 % greater net carbon credit, indicating reduced ecological impact. ? 2024 Elsevier B.V. Final 2025-03-03T07:43:48Z 2025-03-03T07:43:48Z 2024 Article 10.1016/j.desal.2024.117318 2-s2.0-85182882740 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85182882740&doi=10.1016%2fj.desal.2024.117318&partnerID=40&md5=2b978627e9331f2575a8ae256aa13992 https://irepository.uniten.edu.my/handle/123456789/36671 576 117318 Elsevier B.V. Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description The valorization and repurposing of waste materials for sustainable outcomes and environmental mitigation are gaining prominence. This investigation explores the feasibility of repurposing discarded automotive engine oil as a viable means of energy storage in solar thermal desalination applications. A novel approach combining discarded engine oil with Paraffin wax in equal parts by volume is proposed as a composite energy storage (CES) to enhance nocturnal production and efficiency. The experimental findings show that the composite energy storage system has 26.54 % higher thermal conductivity and 44.66 % greater specific heat energy storage capacity compared to pure paraffin wax. Comparing the Desalination System with Engine Oil-based Energy Storage (DSEES) to a Traditional Solar Desalination System (TSDS) without energy storage, considering water and absorber temperatures and distillate production, reveals compelling advantages. DSEES exhibits remarkable temperature increases of 14 % in the basin and 11 % in water, alongside a significant 52.72 % rise in distillate production rates, yielding 3.36 and 3.16 l/sq.mt compared to TSDS's 2.2 and 2.1 l/sq.mt over two testing days. Cost analysis indicates DSEES's 33.7 % lower cost per liter and 33.8 % shorter payback period relative to TSDS. Furthermore, environmental assessment highlights DSEES's 60.8 % greater net carbon credit, indicating reduced ecological impact. ? 2024 Elsevier B.V.
author2 57210569066
author_facet 57210569066
Suraparaju S.K.
Samykano M.
Natarajan S.K.
Rajamony R.K.
Pandey A.K.
format Article
author Suraparaju S.K.
Samykano M.
Natarajan S.K.
Rajamony R.K.
Pandey A.K.
spellingShingle Suraparaju S.K.
Samykano M.
Natarajan S.K.
Rajamony R.K.
Pandey A.K.
Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
author_sort Suraparaju S.K.
title Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
title_short Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
title_full Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
title_fullStr Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
title_full_unstemmed Waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: A techno-environmental feasibility evaluation
title_sort waste-derived thermal storage solutions for sustainable solar desalination using discarded engine oil and paraffin wax: a techno-environmental feasibility evaluation
publisher Elsevier B.V.
publishDate 2025
_version_ 1825816144937746432
score 13.244413

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